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Finding the Fourth Proportional to 44,620.92, 66,909.84 and 25,905.66

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Solution

The fourth proportional to 44,620.92, 66,909.84 and 25,905.66 is: 38,845.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,620.92 : 66,909.84 = 25,905.66 : x
  2. Step 2: Convert to fraction form
    44,620.92/66,909.84 = 25,905.66/x
  3. Step 3: Cross multiply
    44,620.92x = 66,909.84 × 25,905.66
  4. Step 4: Simplify right side
    44,620.92x = 1,733,343,565.69
  5. Step 5: Solve for x
    x = 1,733,343,565.69/44,620.92
  6. Step 6: Final answer
    x = 38,845.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.